Reef clew upgrade / details

[atmarineservices]

In the processs of going over every detail and structial component of a Flicka 20, the old reefing clew lines are led to a sheave at the end of the boom, and to the gooseneck. In conemplateing adding cheek blocks and halyard exit plates for a more fair lead on the sail when reefing, how much on a pratical level is this upgrade? Is there any problem with chaffe internally with the 4:1 outhaul tackle as long as everything is located properly?

Question #2 As far as reviciting the trysail arangement for this boat / rig, would it be accecptable to use the same reef clew lines as an atachment for the trysail clew, assuming that there was a peice of rope lashing around the boom / reef line to keep it going into the sheave fair and with out chaffe? Any input would be greatly appreciated, thanks!!